264021875 has 48 divisors (see below), whose sum is σ = 364414176. Its totient is φ = 190080000.

The previous prime is 264021859. The next prime is 264021893. The reversal of 264021875 is 578120462.

It is not a de Polignac number, because 264021875 - 2⁴ = 264021859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2721827 + ... + 2721923.

It is an arithmetic number, because the mean of its divisors is an integer number (7591962).

Almost surely, 2^264021875 is an apocalyptic number.

264021875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264021875 is a deficient number, since it is larger than the sum of its proper divisors (100392301).

264021875 is an frugal number, since it uses more digits than its factorization.

264021875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 264021875 is about 16248.7499519194. The cubic root of 264021875 is about 641.5245838970.

The spelling of 264021875 in words is "two hundred sixty-four million, twenty-one thousand, eight hundred seventy-five".